let count: number;
count = 123;

let countInference = 123;

const one = 1;
const two = 2;
const three = one + two;

function getTotal(one, two) {
  return one + two;
}

const total = getTotal("1", "2");

console.log(total);

console.log(typeof total);

const XiaoJieJie = {
  name: "刘英",
  age: 18,
};
